if (navigator.appName=='Firefox')	{
	document.write('<link href="_css/ff_en2.css" rel="stylesheet" type="text/css">');
}else if (navigator.appName=='Microsoft Internet Explorer') {
	document.write('<link href="_css/ie_en2.css" rel="stylesheet" type="text/css">');
}else{
	document.write('<link href="_css/ff_en2.css" rel="stylesheet" type="text/css">');
}